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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <[email protected]>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\Console\Helper;
  13  
  14  use Symfony\Component\Console\Output\OutputInterface;
  15  use Symfony\Component\VarDumper\Cloner\ClonerInterface;
  16  use Symfony\Component\VarDumper\Cloner\VarCloner;
  17  use Symfony\Component\VarDumper\Dumper\CliDumper;
  18  
  19  /**
  20   * @author Roland Franssen <[email protected]>
  21   */
  22  final class Dumper
  23  {
  24      private $output;
  25      private $dumper;
  26      private $cloner;
  27      private $handler;
  28  
  29      public function __construct(OutputInterface $output, CliDumper $dumper = null, ClonerInterface $cloner = null)
  30      {
  31          $this->output = $output;
  32          $this->dumper = $dumper;
  33          $this->cloner = $cloner;
  34  
  35          if (class_exists(CliDumper::class)) {
  36              $this->handler = function ($var): string {
  37                  $dumper = $this->dumper ?? $this->dumper = new CliDumper(null, null, CliDumper::DUMP_LIGHT_ARRAY | CliDumper::DUMP_COMMA_SEPARATOR);
  38                  $dumper->setColors($this->output->isDecorated());
  39  
  40                  return rtrim($dumper->dump(($this->cloner ?? $this->cloner = new VarCloner())->cloneVar($var)->withRefHandles(false), true));
  41              };
  42          } else {
  43              $this->handler = function ($var): string {
  44                  switch (true) {
  45                      case null === $var:
  46                          return 'null';
  47                      case true === $var:
  48                          return 'true';
  49                      case false === $var:
  50                          return 'false';
  51                      case \is_string($var):
  52                          return '"'.$var.'"';
  53                      default:
  54                          return rtrim(print_r($var, true));
  55                  }
  56              };
  57          }
  58      }
  59  
  60      public function __invoke($var): string
  61      {
  62          return ($this->handler)($var);
  63      }
  64  }